421605980

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1\times {\mathrm{1153}}^1$

素因数の和:1598

約数の個数: 48

約数和(自身を含む): 907320960

約数和(自身を除く): 485714980

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 389, 470, 778, 940, 1153, 1556, 1945, 2306, 3890, 4612, 5765, 7780, 11530, 18283, 23060, 36566, 54191, 73132, 91415, 108382, 182830, 216764, 270955, 365660, 448517, 541910, 897034, 1083820, 1794068, 2242585, 4485170, 8970340, 21080299, 42160598, 84321196, 105401495, 210802990, 421605980]

約数ペア:

[(1, 421605980), (2, 210802990), (4, 105401495), (5, 84321196), (10, 42160598), (20, 21080299), (47, 8970340), (94, 4485170), (188, 2242585), (235, 1794068), (389, 1083820), (470, 897034), (778, 541910), (940, 448517), (1153, 365660), (1556, 270955), (1945, 216764), (2306, 182830), (3890, 108382), (4612, 91415), (5765, 73132), (7780, 54191), (11530, 36566), (18283, 23060)]